A. Finding Maxima and Minima 1. Find and classify any stationary points of the following functions: i) y = 4x2 + 3 ii) y = x3 - 3x2 - 24x + 15 iii) y = (2x - 1)2 iv ) y = 4Vx - 2x v) y = 2x3 2x vil y = x2 +1 vii) y = (x - 1)4